irqchip/renesas-intc-irqpin: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding.

Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 713177d..06f29cf 100644 (file)
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -389,9 +389,8 @@ MODULE_DEVICE_TABLE(of, intc_irqpin_dt_ids);
 
 static int intc_irqpin_probe(struct platform_device *pdev)
 {
-       const struct intc_irqpin_config *config = NULL;
+       const struct intc_irqpin_config *config;
        struct device *dev = &pdev->dev;
-       const struct of_device_id *of_id;
        struct intc_irqpin_priv *p;
        struct intc_irqpin_iomem *i;
        struct resource *io[INTC_IRQPIN_REG_NR];
@@ -422,11 +421,9 @@ static int intc_irqpin_probe(struct platform_device *pdev)
        p->pdev = pdev;
        platform_set_drvdata(pdev, p);
 
-       of_id = of_match_device(intc_irqpin_dt_ids, dev);
-       if (of_id && of_id->data) {
-               config = of_id->data;
+       config = of_device_get_match_data(dev);
+       if (config)
                p->needs_clk = config->needs_clk;
-       }
 
        p->clk = devm_clk_get(dev, NULL);
        if (IS_ERR(p->clk)) {